Kustatscher, E.; Hemsley, A.; Van Konijnenburg-Van Cittert, J. H. (2009). Lugardonia paradoxa gen. et sp. nov., a new strobilus from the Anisian flora of Kühwiesenkopf, the Dolomites, Italy and its affinities with emphasis on spore ultrastructure. Review of Palaeobotany and Palynology. 156(1-2): 90-97.
Kustatscher, E.; Hemsley, A.; Van Konijnenburg-Van Cittert, J. H.
2009
Lugardonia paradoxa gen. et sp. nov., a new strobilus from the Anisian flora of Kühwiesenkopf, the Dolomites, Italy and its affinities with emphasis on spore ultrastructure